[Paraview] Saving PlotSelectionOverTime result to CSV file in script

[David E DeMarle]

Thanks for sharing your solution with the list!


David E DeMarle
Kitware, Inc.
R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909


On Mon, Oct 7, 2013 at 5:02 AM, Peter Maday <madapeti at gmail.com> wrote:

> Thanks for the reply!
>
> I have tried this setup, however I could not find a filter that would
> produce the correct output with the CreateWriter. When using the
> PlotVariablesOverTime it does not work, as it produces a
> vtkMultiBlockDataset as opposed to a vtkTable that is required by the CSV
> writer.
>
> The solution I have found was to use a programmable filter in a similar
> setup (with the appropriate selection of the block and column indices):
>
> progFilter=ProgrammableFilter()
> progFilter.OutputDataSetType='vtkTable'
> progFilter.PythonPath = ''
> progFilter.RequestInformationScript = ''
> #progFilter.RequestUpdateExtentScript= ''
> progFilter.Script = "\
> dataTable=self.GetInput().GetBlock(0).GetColumn(0)\n\
> output=self.GetTableOutput()\n\
> output.AddColumn(dataTable)\n\
> "
>
> I believe it is worth mentioning that it is possible to put the debugger
> breakpoints (pdb.set_trace()) in the progFilter.Script string and this way
> to figure out what exactly the input of the filter is like.
>
>
>
> 2013/10/4 David E DeMarle <dave.demarle at kitware.com>
>
>> Try Using CreateWriter() like so:
>> writer = CreateWriter(".../foo.csv", source)
>> writer.FieldAssociation = "Points" # or "Cells"
>> writer.UpdatePipeline()
>> del writer
>>
>> David E DeMarle
>> Kitware, Inc.
>> R&D Engineer
>> 21 Corporate Drive
>> Clifton Park, NY 12065-8662
>> Phone: 518-881-4909
>>
>>
>> On Fri, Oct 4, 2013 at 10:18 AM, Peter Maday <madapeti at gmail.com> wrote:
>>
>>> Dear All,
>>>
>>> I would like to automate a process that involves saving the output of a
>>> PlotSelectionOverTime filter to a CSV file. Manually it is done by invoking
>>> the "Save data " command from the File menu while the graph view is
>>> selected.
>>>
>>> When I try to record the trace for this step, it does not contain the
>>> CSV save part.
>>>
>>> My question is how to save the PlotSelectionOverTime output to a text
>>> file in a script.
>>>
>>> Thansk a lot!
>>>
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>>
>
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